WO2022113911A1 - Dispositif d'assistance et système mécanique - Google Patents

Dispositif d'assistance et système mécanique Download PDF

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Publication number
WO2022113911A1
WO2022113911A1 PCT/JP2021/042683 JP2021042683W WO2022113911A1 WO 2022113911 A1 WO2022113911 A1 WO 2022113911A1 JP 2021042683 W JP2021042683 W JP 2021042683W WO 2022113911 A1 WO2022113911 A1 WO 2022113911A1
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WO
WIPO (PCT)
Prior art keywords
information
machine
unit
support device
search
Prior art date
Application number
PCT/JP2021/042683
Other languages
English (en)
Japanese (ja)
Inventor
立男 唐鎌
Original Assignee
ファナック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ファナック株式会社 filed Critical ファナック株式会社
Priority to JP2022565305A priority Critical patent/JPWO2022113911A1/ja
Priority to US18/036,238 priority patent/US20230315061A1/en
Priority to DE112021005168.7T priority patent/DE112021005168T5/de
Priority to CN202180078345.7A priority patent/CN116670604A/zh
Publication of WO2022113911A1 publication Critical patent/WO2022113911A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31325—Machine selection support, use of database
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31467—Display of operating conditions of machines, workcells, selected programs

Definitions

  • the present invention relates to a support device and a mechanical system.
  • machine Maintenance or inspection of a large number of production machines (hereinafter referred to simply as “machines”) such as robots, machine tools, laser processing machines, wire discharge processing machines, or injection molding machines. Workers who perform such work investigate various information such as the maintenance history and abnormality history of the machine in the factory, or the predicted life of the parts used in the machine, and identify the machine to be worked on in advance. After that, it is common to search the site for the installation location of the specified machine.
  • machine such as robots, machine tools, laser processing machines, wire discharge processing machines, or injection molding machines.
  • Workers who perform such work investigate various information such as the maintenance history and abnormality history of the machine in the factory, or the predicted life of the parts used in the machine, and identify the machine to be worked on in advance. After that, it is common to search the site for the installation location of the specified machine.
  • a plurality of information output units provided in each of a plurality of devices and outputting operating status information indicating the operating status of the corresponding devices, and a registration means for registering operating status information output by the plurality of information output units.
  • a worker terminal carried by a worker and a device that provides device position information indicating the position of the device corresponding to the operation state information to the worker terminal when the operation state information is registered in the registration means. It is represented by the position information providing means, the terminal position calculating means for calculating the terminal position information representing the position of the worker terminal, and the device position information provided in the worker terminal and provided by the device position information providing means.
  • a management system is known, which includes a device position and a display means for displaying a worker terminal position represented by terminal position information calculated by the terminal position calculation means on a map (for example, Patent Document 1). reference.).
  • the management device that centrally manages machine information including at least specification information and maintenance information of all industrial machines installed in a factory
  • the management device includes a storage unit and a control unit.
  • the storage unit stores the position information of all the industrial machines installed in the factory and the machine information of all the industrial machines, and the specification information is at least the hardware specifications related to the industrial machine.
  • Software specifications, network specifications, and version information the control unit displays the arrangement state of the industrial machine in the factory based on the position information of the industrial machine stored in the storage unit.
  • the factory layout providing unit that outputs the factory layout information for the purpose and the machine information of the industrial machine selected via the output factory layout information are acquired from the storage unit, and the acquired machine information is selected.
  • a management device including a machine information providing unit that outputs in association with the industrial machine is known (see, for example, Patent Document 2).
  • a data acquisition unit that acquires data related to at least one machine including time information
  • a storage management unit that stores data about each machine acquired by the data acquisition unit in a storage unit together with identification information of each machine.
  • Diagnosis that predicts the possibility of an abnormality of the machine and provides preventive maintenance information about the machine based on the factory monitoring system including, past historical data about the machine, and current data about the machine. Service systems are known (see, for example, Patent Document 3).
  • a process monitoring device for monitoring a process in a production line of a factory, a photographing means for photographing an operating state of the process, a memory for storing video data photographed by the photographing means, and the above.
  • An external input means for inputting a signal from a detection device installed on a production line as a trigger signal, and when the trigger signal is input, the trigger signal is input among the video data recorded in the memory.
  • a process monitoring device provided with a storage processing means for storing video data that goes back to the past by a set time or more from the time when the data is created, as non-overwritable video data (see, for example, Patent Document 4).
  • a support device that supports work on a plurality of machines includes machine information including at least one of maintenance history information, abnormality history information, and predicted life information for each of the plurality of machines.
  • the information storage unit that stores the identification information of the machine in association with it, the condition reception unit that accepts the search conditions for specifying the desired machine information, and the search conditions and information storage unit that the condition reception unit accepts. It is provided with an information search unit that collates with the machine information and extracts the identification information of the machine corresponding to the machine information that matches the search condition.
  • the mechanical system includes a plurality of machines and the above-mentioned support device, and the support device has an information acquisition unit for acquiring machine information.
  • the machine system includes a plurality of machines and the support device, and each of the plurality of machines has an information acquisition unit for acquiring machine information.
  • the work load on a plurality of machines installed in the factory is reduced.
  • FIG. 1 is a functional block diagram of a support device and a mechanical system according to an embodiment of the present disclosure.
  • the mechanical system 1000 is composed of the support device 1 and the plurality of machines 2 according to the embodiment of the present disclosure.
  • the machine 2 includes various types of production machines such as robots, machine tools, laser machines, wire electric discharge machines, and injection molding machines.
  • the support device 1 supports the work by the worker on the plurality of machines 2.
  • the support device 1 includes an information storage unit 11, a condition reception unit 12, an information retrieval unit 13, an information update unit 14, a display unit 15, a map generation unit 16, an input device 17, and an information acquisition unit 18. To prepare for.
  • An arithmetic processing unit (processor) is provided in the support device 1.
  • This arithmetic processing device includes a condition reception unit 12, an information retrieval unit 13, an information update unit 14, a map generation unit 16, and an information acquisition unit 18.
  • Each of these parts of the arithmetic processing unit is, for example, a functional module realized by a computer program executed on a processor.
  • the arithmetic processing device is operated according to this computer program. The functions of each part can be realized.
  • the computer program for executing each process of the condition reception unit 12, the information search unit 13, the information update unit 14, the map generation unit 16, and the information acquisition unit 18 is a computer such as a semiconductor memory, a magnetic recording medium, or an optical recording medium. It may be provided in the form recorded on a readable recording medium.
  • the condition reception unit 12, the information retrieval unit 13, the information update unit 14, the map generation unit 16, and the information acquisition unit 18 may be realized as a semiconductor integrated circuit in which a computer program that realizes the functions of each unit is written. ..
  • the information storage unit 11 is composed of a non-volatile memory that can be electrically erased and recorded, such as EEPROM (registered trademark), or a random access memory that can be read and written at high speed, such as DRAM and SRAM. You may.
  • EEPROM registered trademark
  • DRAM dynamic random access memory
  • the information storage unit 11 stores machine information including at least one of maintenance history information, abnormality history information, and predicted life information for each of the plurality of machines 2 in association with the identification information of the machine 2. Create a database.
  • the identification information is an identification ID assigned to each machine 2 in order to manage the machine 2, and in the notation, for example, a character string, a bar code, a two-dimensional code, or the like is used.
  • the reference codes of the identification information are represented by 22-1, 22-2, ..., 22-n (n is a natural number), but in other drawings, they may be collectively represented by 22.
  • the machine information is information associated with each machine 2, and is stored in the information storage unit 11 in association with the identification information of the machine 2.
  • the machine information includes, for example, maintenance history information, abnormality history information, predicted life information, and operation plan information (schedule indicating when the machine is operating and when it is stopped) for each of the plurality of machines 2. Other information may be included.
  • the reference codes for machine information are represented by 21-1, 21-2, ..., 21-n (n is a natural number), but these may be collectively represented by 21. Specific examples of machine information and details of machine information acquisition processing will be described later.
  • the information acquisition unit 18 acquires machine information and identification information corresponding to the machine information.
  • the machine information acquired by the information acquisition unit 18 is stored in the information storage unit 11 via the information update unit 14.
  • the information acquisition unit 18 may acquire machine information from the machine 2 or may acquire it from an input device 17 operated by an operator.
  • the information updating unit 14 is a machine 2 whose maintenance or inspection work has been completed among the plurality of machines 2, a machine 2 having an abnormality among the plurality of machines 2, and a machine whose predicted life has been updated for the plurality of machines 2.
  • the machine information already stored in the information storage unit 11 is updated with the machine information acquired by the information acquisition unit 18.
  • the identification information of the machine 2 for which the maintenance work has been completed, the work content, and the machine information (maintenance history information) regarding the work day are performed via the input device 17. And enter.
  • the information acquisition unit 18 acquires identification information and machine information (maintenance history information) from the input device 17, and the information update unit 14 acquires machine information (maintenance history) corresponding to the identification information already stored in the information storage unit 11.
  • Information) is updated to the machine information (maintenance history information) acquired by the information acquisition unit 18.
  • the latest machine information (maintenance history information) of the machine 2 for which the work has been completed acquired by the information acquisition unit 18 is stored in the information storage unit 11 in association with the identification information. In this way, the burden of updating machine information (maintenance history information) by the operator is small.
  • the information acquisition unit 18 acquires identification information and machine information (abnormality history information) from the machine 2 in which the abnormality has occurred, and updates the information.
  • the unit 14 updates the machine information (abnormality history information) corresponding to the identification information already stored in the information storage unit 11 to the machine information (abnormality history information) acquired by the information acquisition unit 18.
  • the latest machine information (abnormality history information) of the machine 2 in which the abnormality has occurred acquired by the information acquisition unit 18 is stored in the information storage unit 11 in association with the identification information. Therefore, it is not necessary for the worker to update the machine information (abnormality history information), and the burden on the worker is reduced.
  • the information acquisition unit 18 has updated the machine 2 to the latest predicted life.
  • the identification information and the machine information (predicted life information) are acquired from the information acquisition unit 14, and the information acquisition unit 18 acquires the machine information (predicted life information) corresponding to the identification information already stored in the information storage unit 11. Update to the acquired machine information (estimated life information).
  • the latest machine information (predicted life information) about the machine 2 acquired by the information acquisition unit 18 is stored in the information storage unit 11 in association with the identification information. Therefore, it is not necessary for the worker to update the machine information (predicted life information), and the burden on the worker is reduced.
  • the condition reception unit 12 accepts search conditions for designating machine information desired by the worker.
  • the search condition is input by the operator via the input device 17.
  • Examples of the input device 17 include a keyboard, a mouse, a touch panel, a voice recognition device, and the like attached to a computer or a mobile terminal.
  • the touch panel has the functions of both the display unit 15 and the input device 17.
  • the search condition specifies the identification information of the machine 2 that the worker wants to acquire by using the support device 1. For example, when the operator wants to search for the machine 2 whose battery replacement is completed by a certain date, the operator sets information related to "date when the battery replacement is performed" as a search condition.
  • the "date” may include the concepts of "year / month / day” and "time”.
  • the worker wants to search for the machine 2 in which a certain abnormality has occurred, he / she sets information about "type of abnormality" as a search condition.
  • the worker when the worker wants to search for the machine 2 that is expected to reach the end of its life by a certain period in the future, the worker sets information such as "predicted life of the machine 2" as a search condition. Specific examples of search conditions will be described later.
  • the information retrieval unit 13 collates the search conditions received by the condition reception unit 12 with the machine information stored in the information storage unit 11 and extracts the identification information of the machine 2 corresponding to the machine information matching the search conditions. ..
  • the identification information of the machine 2 extracted by the information retrieval unit 13 may be plural. A specific example of extracting the identification information of the machine 2 with respect to the search condition will be described later.
  • the identification information of the machine 2 extracted by the information retrieval unit 13 is sent to the display unit 15 and the map generation unit 16.
  • the display unit 15 displays the identification information extracted by the information retrieval unit 13. Further, the display unit 15 displays the map generated by the map generation unit 16 described later. Examples of the display unit 15 include a display device attached to a mobile terminal, a display device attached to a computer, and a single display device.
  • the map generation unit 16 generates a map showing the installation position of each of the plurality of machines 2.
  • This map shows the layout of the machine 2 in the factory, which is the scope of application of the support device 1.
  • the installation position of the machine 2 having the identification information extracted by the information retrieval unit 13 and the installation position of the machine having the identification information not extracted by the information retrieval unit 13 are clearly shown.
  • the icon indicating the installation position of the machine 2 having the identification information extracted by the information retrieval unit 13 is displayed by blinking red, and the icon indicating the installation position of the other machine 2 is displayed in black.
  • the identification information for example, a character string
  • the map clearly shows the position of the worker who uses the support device 1 or the position of the support device 1.
  • the support device 1 is composed of a computer fixedly installed in or near the factory where the machine 2 is installed
  • an icon consisting of a computer pattern indicates the place where the computer is installed on the map.
  • the support device 1 is configured by a mobile terminal
  • the current position of the support device 1 may be indicated by an icon consisting of a picture of the mobile terminal on the map.
  • the map generation unit 16 generates a map on which the position of the mobile terminal measured by the position measurement unit 19 described later is superimposed. do.
  • the worker possessing the mobile terminal constituting the support device 1 visually recognizes the map displayed on the display unit 15, and has his / her own position and the identification information extracted by the information retrieval unit 13.
  • the positional relationship with the installation position of 2 that is, the machine 2 having the machine information specified by the operator) can be easily grasped.
  • the position measurement unit 19 measures the position of the mobile terminal constituting the support device 1 and sends the measurement result to the map generation unit 16. As a result, the map generation unit 16 can generate a map on which the positions of the mobile terminals constituting the support device 1 are superimposed. If the support device 1 is composed of a computer fixedly installed in the factory where the machine 2 is installed, the position measurement unit 19 may be omitted.
  • the position measuring unit 19 may measure the position of the mobile terminal constituting the support device 1 by using a known positioning method. For example, a method of specifying the position of a mobile terminal by determining the signal strength (inversely proportional to the square of the distance) using the BLE (Bluetooth (registered trademark) Low Energy) communication method, and three-point positioning are used. There is a method of specifying the position of the mobile terminal. Since GPS radio waves are cut off in the factory building, a plurality of beacon transmitters are installed in the factory building to measure the position of the mobile terminal provided with the beacon receiver.
  • BLE Bluetooth (registered trademark) Low Energy
  • three beacon transmitters out of a plurality of beacon transmitters whose installation positions are self-explanatory in the factory and beacons provided on the mobile terminal can be measured based on the distance to the receiver.
  • the above is the configuration of the support device 1 according to the embodiment of the present disclosure and the mechanical system 1000 including the support device 1.
  • FIG. 2 is a functional block diagram of a support device and a mechanical system according to a modification of the first embodiment of the present disclosure.
  • the information acquisition unit 18 is provided in each of the plurality of machines 2, and the implementation of the present disclosure shown in FIG. It is different from the support device 1 according to the form and the mechanical system 1000 including the support device 1.
  • the information acquisition unit 18 acquires the machine information of the machine 2 provided by the information acquisition unit 18 and the identification information of the machine 2 and sends the information acquisition unit 18 to the information update unit 14.
  • the information updating unit 14 updates the received machine information according to the content of the work, and the information storage unit 11 stores the machine information updated by the information updating unit 14 in association with the identification information of the machine 2. do. Since the configuration is the same as that described with reference to FIG. 1 except that the information acquisition unit 18 is provided in the machine 2, the description thereof will be omitted.
  • the information acquisition unit 18 may be provided both in the support device 1 and in each of the plurality of machines 2.
  • FIG. 3A is a flowchart showing a series of processes from the acceptance of the search condition to the display of the search result in the support device 1 according to the embodiment of the present disclosure, and shows the case where the identification information is displayed as the search result.
  • FIG. 3B is a flowchart showing a series of processes from acceptance of a search condition to display of a search result in the support device 1 according to the embodiment of the present disclosure, and shows a case where a map is displayed as a search result.
  • step S101 the condition receiving unit 12 accepts the search condition for designating the desired machine information, as shown in FIG. 3A.
  • the search condition is input by the operator via the input device 17.
  • the information retrieval unit 13 collates the search conditions received by the condition reception unit 12 with the machine information stored in the information storage unit 11 in step S102, and corresponds to the machine information matching the search conditions in step S103.
  • the identification information of the machine 2 is extracted.
  • step S104 the display unit 15 displays the identification information extracted by the information retrieval unit 13.
  • step S101 the condition receiving unit 12 accepts the search condition for designating the desired machine information, as shown in FIG. 3B.
  • the search condition is input by the operator via the input device 17.
  • the information retrieval unit 13 collates the search conditions received by the condition reception unit 12 with the machine information stored in the information storage unit 11 in step S102, and corresponds to the machine information matching the search conditions in step S103.
  • the identification information of the machine 2 is extracted.
  • step S105 the map generation unit 16 extracts the installation position of the machine 2 having the identification information extracted by the information retrieval unit 13 and the information retrieval unit 13 as a map showing the installation positions of each of the plurality of machines 2.
  • a map that is shown to be distinguishable from the location of the machine with the unidentified identification information is generated.
  • the display unit 15 displays the map generated by the map generation unit 16.
  • FIG. 4 is a flowchart showing a series of processes from acquisition to storage of machine information in the support device 1 according to the embodiment of the present disclosure.
  • the information acquisition unit 18 acquires machine information and identification information corresponding to the machine information.
  • the information acquisition unit 18 may acquire machine information from the machine 2 or may acquire it from an input device 17 operated by an operator.
  • the worker provides information indicating the completion of the work such as maintenance and inspection of the machine 2, machine information according to the work content of the machine 2, and identification information corresponding to the machine information.
  • the information is input through the input device 17, and in response to this, the information acquisition unit 18 acquires machine information about the machine 2 and identification information corresponding to the machine information. Further, for example, the information acquisition unit 18 may periodically acquire machine information about each of the plurality of machines 2 and identification information corresponding to the machine information.
  • step 202 the information updating unit 14 updates the machine information acquired by the information acquisition unit 18 according to the content
  • step S203 the information storage unit 11 updates the machine information updated by the information updating unit 14. Is stored in association with the identification information of the machine 2.
  • maintenance history information constituting machine information
  • maintenance of various components such as a battery, a motor, a gear, an arm, a fan, a cable wiring, a tool, a jig, an oil, and an electronic component provided in the machine 2 is performed.
  • Examples of maintenance work include replacement work, repair work, cleaning work, and the like, but other work may be included.
  • the information acquisition unit 18 acquires maintenance history information, for example, as follows. When the maintenance work for the machine 2 is completed, the worker uses the input device 17 to provide information indicating the completion of the work, maintenance history information according to the content of the maintenance work for the machine 2, and the maintenance history information. Enter the corresponding identification information. In response to this, the information acquisition unit 18 acquires maintenance history information about the machine 2 and identification information corresponding to the maintenance history information. Taking the battery replacement of the machine 2 as an example, when the battery replacement of the machine 2 is completed, the operator performs the maintenance history information "date of battery replacement" and the battery replacement via the input device 17. In addition to inputting the identification information of the machine 2, the information indicating the completion of battery replacement is input. Upon receiving the information indicating the completion of the battery replacement, the information acquisition unit 18 acquires the information regarding the "battery replacement date" which is the maintenance history information about the machine 2 and the identification information of the machine 2 where the battery has been replaced.
  • abnormality history information constituting the machine information for example, an abnormality related to the operation itself of the machine 2, an abnormality of the work caused by the result of the operation of the machine 2, and an abnormality of the machine system 1000 caused by the result of the operation of the machine 2
  • an abnormality occurrence date and its contents regarding an abnormality an abnormality of various components (for example, parts, software programs, etc.) in the machine 2, but other information may be included.
  • the information acquisition unit 18 may acquire the abnormality history information when an alarm is output from the machine 2.
  • the information acquisition unit 18 periodically monitors whether or not an alarm is output from the machine 2. Examples of output alarms are as follows.
  • the machine 2 has a built-in backup battery for the encoder of the motor in the machine 2, and needs to be replaced every predetermined period (for example, about one year).
  • An alarm is output when the voltage of the backup battery drops.
  • the information acquisition unit 18 describes the identification information of the machine 2 provided with the backup battery and "a low voltage of the backup battery occurs" as abnormality history information. Get information about "what you did" and "date of its occurrence”.
  • the machine 2 has a built-in battery for data backup in the control device of the machine 2, and needs to be replaced every predetermined period (for example, several years).
  • An alarm is output when the voltage of the data backup battery drops.
  • the information acquisition unit 18 has "data backup" as the identification information of the machine 2 provided in the control device for the data backup battery and the abnormality history information. Acquires information about "the voltage drop of the battery” and "the date of occurrence”.
  • the machine 2 may be provided with a fan motor.
  • the fan motor starts rotating at the same time as the power supply is started. At that time, if a state in which the oil mist adhering to the fan sticks occurs, a fan alarm is output from the machine 2. If the oil mist is left in a fixed state, the oil mist adhering to the fan will accumulate, and the rotation speed of the fan may decrease, resulting in a decrease in cooling capacity. As a result, the motor or servo amplifier in the machine 2 may overheat.
  • the information acquisition unit 18 describes the identification information of the machine 2 provided with the fan motor, "oil mist stuck to the fan" and "date of occurrence" as abnormality history information. Get information about.
  • a “chocolate stop” is a stop that occurs repeatedly in a short period of time for a machine installed in a factory for some reason.
  • the chocolate stop is easily overlooked because the stop time per stop is short, but it may lead to a decrease in the operating efficiency of the machine 2 by repeating it, so it is distinguished from the "doka stop” which is easy to find for a long time. Will be done.
  • a video camera is installed to photograph the behavior of the robot (including the chocolate stop) to investigate the cause of the chocolate stop. The following are examples of alarms that are output when a chocolate stop occurs.
  • the control device of the machine 2 detects that the gripping claws are fully closed, the control device outputs a gripping error alarm.
  • a gripping error of a robot's hand is a typical chocolate stop in a robot, and it is necessary to investigate the cause of the grasping error.
  • the gripping error alarm is output from the machine 2
  • the information acquisition unit 18 provides identification information of the machine 2 and information regarding "a gripping error of the robot's hand has occurred" and "the date of occurrence" as abnormality history information. And get.
  • the robot which is the machine 2
  • grips the work with the hand if the hand interferes with the work, a collision detection alarm is output from the control device of the machine 2. Interference between the hand and the work is also a typical choco stop in a robot, and it is necessary to investigate the cause of the interference.
  • the collision detection alarm is output from the machine 2
  • the information acquisition unit 18 acquires information on "interference between the hand and the work" and "the date of occurrence" as the identification information and the abnormality history information of the machine 2. do.
  • a detection failure alarm is output from the control device of the machine 2.
  • the information acquisition unit 18 acquires information on "the work could not be correctly recognized” and "the date of occurrence” as the identification information and the abnormality history information of the machine 2. ..
  • servo alarms indicating that the servo motor needs to be replaced
  • servo alarms indicating that the servo amplifier needs to be replaced
  • servo parameter settings There are servo alarms that are output due to mistakes or servo motor wiring mistakes.
  • the information acquisition unit 18 outputs information regarding "contents shown in the servo alarm” and "output date of the servo alarm” as identification information and abnormality history information of the machine 2. get.
  • the machine 2 monitors data such as voltage, current, and motor rotation speed during normal operation of the machine 2, and outputs an abnormality occurrence alarm when a large change occurs in the data. A part (not shown) is often provided.
  • the information acquisition unit 18 uses "abnormal values of data such as voltage, current, and motor rotation speed" as identification information and abnormality history information of the machine 2. And get information about "the date of occurrence”.
  • predicted life information constituting the machine information there are predicted life information of various components in the machine 2, predicted life information of the machine 2 itself, predicted life information of the machine system 1000 including the machine 2, and the like. , Other predicted life information may be included.
  • the predicted life information can be calculated by a known method, and is calculated based on, for example, various components of the machine 2, the machine 2 itself, or the useful life of the machine system 1000, its installation date, and the current date and time. Alternatively, machine learning may be used to calculate it.
  • the operation plan information is a schedule indicating when the machine 2 is operating and when it is stopped. With respect to the machine 2 in operation, maintenance work is rarely performed until the operation of the machine 2 is stopped except in an emergency. Therefore, when searching by the support device 1, it is better to exclude the currently operating machine 2 from the search target to improve the search efficiency.
  • the operation plan information for each machine 2 is set in the information storage unit 11 as machine information so that "the machine is stopped” can be set as a search condition. As a result, if the worker specifies "the machine is stopped" as the search condition via the input device 17, the machine 2 that is in operation at the time of receiving the search condition by the condition reception unit 12 is informed.
  • the identification information can be excluded from the extraction target by the search unit 13, and the work load of the worker can be further reduced.
  • FIGS. 5A to 9B a specific example of extracting the identification information of the machine 2 for the search condition and displaying the search result will be described with reference to FIGS. 5A to 9B.
  • the search conditions, search results, and maps shown in FIGS. 5A to 9B are merely examples, and may be other search conditions, search results, and maps.
  • the search result by the character string and the search result by the map display may be appropriately combined and displayed on the display unit 15.
  • the screen in which the search condition is input is shown as a character string, but for example, various search conditions may be displayed so as to be selectable by a pull-down menu or an icon.
  • FIG. 5A is a diagram illustrating the first example of the search condition in the support device according to the embodiment of the present disclosure and the search result displayed on the display unit, and shows the search condition.
  • FIG. 5B is a diagram illustrating the first example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search results.
  • the first example of the search condition shown in FIG. 5A and the search result shown in FIG. 5B searches for the identification information of the machine 2 that requires battery replacement among the plurality of machines 2. For example, an example is shown in which a maximum of five machines whose last battery replacement time is before February 28, 2016 are searched for the model "ROBOT-100" which is currently out of operation among a plurality of machines 2. As shown in FIG.
  • the operator refers to the display content 31 by the display unit 15 via the input device 17, and as search conditions, "operating status: production operation is suspended” and "model: ROBOT-100". , "Last battery replacement time: 2016/2/28 or earlier", and "Maximum number of outputs: 5" are input.
  • the condition reception unit 12 accepts this search condition, and the information search unit 13 collates the search condition with the machine information stored in the information storage unit 11, and identifies the machine corresponding to the machine information matching the search condition. To extract.
  • the display unit 15 displays the machine ID and the corresponding previous battery replacement date as the search result 32 as the identification information of the machine 2 that meets the search conditions, for example, in the order of the oldest last battery replacement date. indicate. For a machine whose battery has never been replaced, the introduction date of the machine may be recorded in the information storage unit 11 as the previous battery replacement date.
  • FIG. 6A is a diagram illustrating a second example of the search condition in the support device according to the embodiment of the present disclosure and the search result displayed on the display unit, and shows the search condition.
  • FIG. 6B is a diagram illustrating a second example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search results.
  • the second example of the search condition shown in FIG. 6A and the search result shown in FIG. 6B searches for the identification information of the machine 2 corresponding to the desired predicted life among the plurality of machines 2.
  • the condition reception unit 12 accepts this search condition, and the information search unit 13 collates the search condition with the machine information stored in the information storage unit 11, and identifies the machine corresponding to the machine information matching the search condition. To extract. Then, as shown in FIG. 6B, the display unit 15 displays the machine ID and the machine ID as the identification information of the machine 2 that meets the search conditions, for example, in the order of the earliest predicted life arrival date (that is, the order of the shortest predicted life) as the search result 32. The corresponding expected life date is displayed.
  • FIG. 7A is a diagram illustrating a third example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search conditions.
  • FIG. 7B is a diagram illustrating a third example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search results.
  • the third example of the search condition shown in FIG. 7A and the search result shown in FIG. 7B searches for the identification information of the machine 2 in which the chocolate stop occurs at a predetermined frequency among the plurality of machines 2.
  • FIG. 7A an example is shown in which, among a plurality of machines 2, a machine 2 that is currently out of operation is searched for a machine in which a chocolate stop occurs three times or more in the past month.
  • the operator refers to the display content 31 by the display unit 15 via the input device 17, and as search conditions, "operating status: production operation is suspended" and "chocolate stop frequency: 3". (Times / month) or more ”is entered.
  • the condition reception unit 12 accepts this search condition, and the information search unit 13 collates the search condition with the machine information stored in the information storage unit 11, and identifies the machine corresponding to the machine information matching the search condition. To extract.
  • the display unit 15 displays the machine ID and the corresponding chocolate stop frequency as the identification information of the machine 2 that meets the search condition as the search result 32, for example, in the order of the frequency of the chocolate stop. do.
  • FIG. 8A is a diagram illustrating a fourth example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search conditions.
  • FIG. 8B is a diagram illustrating a fourth example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search results by the map display.
  • the worker who possesses the mobile terminal constituting the support device 1 previously selects the machine 2 which is not in good condition. It is for grasping and confirming the installation position of the machine 2 on the mobile terminal.
  • the operator refers to the display content 31 by the display unit 15 via the input device 17 as a search condition “ Enter "Machine ID: R350”.
  • the condition reception unit 12 accepts this search condition, and the map generation unit 16 generates a map.
  • the display unit 15 indicates the position 41 of the machine 2 of “machine ID: R350” as the search result 32 by, for example, a black square, and the position 42 of the other machine 2 by, for example, a white square.
  • a map showing the position 40 of the worker who owns the constituent mobile terminal with a humanoid icon is displayed.
  • FIG. 9A is a diagram illustrating a fifth example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search conditions.
  • FIG. 9B is a diagram illustrating a fifth example of the search conditions in the support device according to the embodiment of the present disclosure and the search results displayed on the display unit, and shows the search results by the map display.
  • the display unit 15 displays a map showing the position of the machine 2 in which the battery needs to be replaced among the plurality of machines 2.
  • the search conditions are the same as those in the first example described above. As shown in FIG.
  • the operator refers to the display content 31 by the display unit 15 via the input device 17, and as search conditions, "operating status: production operation is suspended” and "model: ROBOT-100". , "Last battery replacement time: 2016/2/28 or earlier", and "Maximum number of outputs: 5" are input.
  • the condition reception unit 12 accepts this search condition, and the information search unit 13 collates the search condition with the machine information stored in the information storage unit 11, and identifies the machine corresponding to the machine information matching the search condition.
  • the map generation unit 16 is an installation position of the machine 2 having the identification information extracted by the information retrieval unit 13 and an information retrieval unit as a map showing the installation positions of the plurality of machines 2.
  • a map is generated so as to be distinguishable from the installation position of the machine having the identification information not extracted by 13.
  • the display unit 15 constitutes, as the search result 32, the position 41 of the machine 2 that meets the search condition is indicated by, for example, a black square, and the position 42 of the other machine 2 is indicated by, for example, a white square.
  • a map showing the position 40 of the worker holding the mobile terminal with a humanoid icon is displayed.
  • the support device 1 described with reference to FIG. 1 will be described here as an example, the support device 1 described with reference to FIG. 2 can also be applied in the same manner.
  • FIG. 10 is a functional block diagram showing a case where the support device according to the embodiment of the present disclosure is configured by a fixedly installed computer. As shown in FIG. 10, for example, the support device 1 is provided in the computer 300 fixedly installed in or near the factory where the machine 2 is installed.
  • FIG. 11 is a functional block diagram showing a case where the support device according to the embodiment of the present disclosure is configured by a host computer and a mobile terminal.
  • the information storage unit 11, the condition reception unit 12, the information retrieval unit 13, the information update unit 14, the map generation unit 16, the information acquisition unit 18, and the position measurement unit 19 of the support device 1 are arranged. It is provided in the host computer 100 fixedly installed in or near the factory where the machine 2 is installed. Further, the display unit 15 and the input device 17 are provided in the mobile terminal 200. The host computer 100 and the mobile terminal 200 are communicably connected to each other.
  • the search condition input via the input unit on the mobile terminal 200 is transmitted from the mobile terminal 200 to the host computer 100 and accepted by the condition reception unit.
  • the identification information extracted by the information retrieval unit 13 and the map generated by the map generation unit 16 are transmitted from the host computer 100 to the mobile terminal and displayed on the display unit 15.
  • Support device 2 Machine 11
  • Information storage unit 12 Condition reception unit 13
  • Information search unit 14 Information update unit 15
  • Display unit 16 Map generation unit 17
  • Input device 18 Information acquisition unit 100 Host computer 200 Portable terminal 300 Computer 1000, 2000 Mechanical system

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Factory Administration (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

Ce dispositif d'assistance destiné à seconder des opérations associées à une pluralité de machines est fourni avec : une unité de stockage d'informations visant à stocker des informations de machine comprenant au moins des informations d'historique de maintenance, des informations d'historique d'anomalies ou des informations de durée de vie prédite pour chacune de la pluralité de machines, en association avec des informations d'identification de la machine ; une unité d'acceptation de critères visant à accepter des critères de recherche pour spécifier des informations de machine souhaitées ; et une unité de récupération d'informations visant à comparer les critères de recherche acceptés par l'unité d'acceptation de critères avec les informations de machine stockées dans l'unité de stockage d'informations et à extraire les informations d'identification de la machine correspondant aux informations de machine concordant avec les critères de recherche.
PCT/JP2021/042683 2020-11-25 2021-11-19 Dispositif d'assistance et système mécanique WO2022113911A1 (fr)

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JP2022565305A JPWO2022113911A1 (fr) 2020-11-25 2021-11-19
US18/036,238 US20230315061A1 (en) 2020-11-25 2021-11-19 Assistance device and mechanical system
DE112021005168.7T DE112021005168T5 (de) 2020-11-25 2021-11-19 Unterstützungsvorrichtung und mechanisches system
CN202180078345.7A CN116670604A (zh) 2020-11-25 2021-11-19 辅助装置和机械系统

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WO (1) WO2022113911A1 (fr)

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KR20060057131A (ko) * 2004-11-23 2006-05-26 (주)포미트 지능형 플랜트 정보시스템
JP2010272068A (ja) * 2009-05-25 2010-12-02 Toshiba Corp 設備管理装置
JP2010287003A (ja) * 2009-06-11 2010-12-24 Dainippon Printing Co Ltd 緑化パネルメンテナンスシステム、緑化パネルメンテナンス管理サーバ、緑化パネルメンテナンス方法、プログラム及び記録媒体
JP2012014294A (ja) * 2010-06-29 2012-01-19 Mitsubishi Heavy Ind Ltd 交換効果評価装置、交換効果評価方法および交換効果評価プログラム

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JP2014164598A (ja) 2013-02-26 2014-09-08 Patoraito:Kk 管理システム、管理サーバおよび作業者端末、ならびに管理サーバおよび作業者端末のためのコンピュータプログラム
JP5826367B1 (ja) 2014-12-25 2015-12-02 因幡電機産業株式会社 工程監視装置
JP7074542B2 (ja) 2018-04-06 2022-05-24 ファナック株式会社 ネットワークを利用した診断サービスシステム及び診断方法
JP2020016998A (ja) 2018-07-24 2020-01-30 ファナック株式会社 産業用機械の管理装置

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Publication number Priority date Publication date Assignee Title
JP2000092240A (ja) * 1998-09-10 2000-03-31 Toshiba Corp 情報配信システム
KR20060057131A (ko) * 2004-11-23 2006-05-26 (주)포미트 지능형 플랜트 정보시스템
JP2010272068A (ja) * 2009-05-25 2010-12-02 Toshiba Corp 設備管理装置
JP2010287003A (ja) * 2009-06-11 2010-12-24 Dainippon Printing Co Ltd 緑化パネルメンテナンスシステム、緑化パネルメンテナンス管理サーバ、緑化パネルメンテナンス方法、プログラム及び記録媒体
JP2012014294A (ja) * 2010-06-29 2012-01-19 Mitsubishi Heavy Ind Ltd 交換効果評価装置、交換効果評価方法および交換効果評価プログラム

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DE112021005168T5 (de) 2023-08-24
US20230315061A1 (en) 2023-10-05
TW202221437A (zh) 2022-06-01
CN116670604A (zh) 2023-08-29

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